CN116691477A - Control method and system for container structure of dump truck - Google Patents

Control method and system for container structure of dump truck Download PDF

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Publication number
CN116691477A
CN116691477A CN202310607522.7A CN202310607522A CN116691477A CN 116691477 A CN116691477 A CN 116691477A CN 202310607522 A CN202310607522 A CN 202310607522A CN 116691477 A CN116691477 A CN 116691477A
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CN
China
Prior art keywords
container
power
dump truck
hydraulic
lifting
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Pending
Application number
CN202310607522.7A
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Chinese (zh)
Inventor
刘强
赵耀忠
咸金龙
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Uaneng Yimin Coal Power Co Ltd
Original Assignee
Uaneng Yimin Coal Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN202310607522.7A priority Critical patent/CN116691477A/en
Publication of CN116691477A publication Critical patent/CN116691477A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
    • B60P1/16—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D33/00—Superstructures for load-carrying vehicles
    • B62D33/02—Platforms; Open load compartments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The application relates to the technical field of truck container control, and discloses a method and a system for controlling a container structure of a dump truck, wherein the method and the system comprise the steps of judging whether to send out a power change instruction according to electric quantity and manual requirements; starting lifting operation of the hydraulic system according to the power change instruction; judging the lifting mode according to whether the hydraulic system is lifted successfully or not. The method can collect the vehicle state information by using various sensors and connect the vehicle state information with the embedded controller, thereby realizing automatic control of the container. When the container reaches a certain inclination angle, the controller can incline the container and unload cargoes through the hydraulic system, so that the efficiency and the safety of the dump truck are improved.

Description

Control method and system for container structure of dump truck
Technical Field
The application relates to the technical field of truck container control, in particular to a method and a system for controlling a container structure of a dump truck.
Background
With the development of industry and construction, dump trucks are becoming a widely used means of transportation. Dump trucks are commonly used to transport large amounts of bulk cargo, such as ore, sand, cement, and the like. In conventional dump trucks, the cargo box is a static structure that requires tilting to unload the cargo, which can affect the stability and safety of the dump truck.
To solve this problem, a method and system for controlling the cargo box structure of a dump truck has been developed. The system collects vehicle state information by using various sensors and connects the vehicle state information with an embedded controller, thereby realizing automatic control of a cargo box. When the container reaches a certain inclination angle, the controller can incline the container and unload cargoes through the hydraulic system, so that the efficiency and the safety of the dump truck are improved.
The system also has a user-friendly interface module that allows the driver to easily control the cargo box of the dump truck. Meanwhile, the system can also reduce the need of manual intervention and the labor cost. Therefore, the control method and the control system for the container structure of the dump truck have wide application prospect and can be used in various industrial and building occasions.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present application has been made in view of the above-described problems occurring in the prior art.
Therefore, the application provides a control method for the container structure of the dump truck, which can solve the problems of low efficiency, insufficient intellectualization and the like of the traditional dump truck.
In order to solve the technical problems, the application provides a control method for a container structure of a dump truck, which comprises the following steps:
judging whether to send out a power change instruction according to the electric quantity and the manual demand;
starting lifting operation of the hydraulic system according to the power change instruction;
judging the lifting mode according to whether the hydraulic system is lifted successfully or not.
As a preferable embodiment of the method for controlling a cargo box structure of a dump truck according to the present application, the method comprises: the power change instruction comprises that when the electric quantity of the vehicle is less than 30 percent and the on-site operator requires power change, the cloud control console sends the power change instruction or the on-site operator receives the vehicle to change the power, the vehicle receives the power change instruction to change the power,
0≤SOC≤30％
when the vehicle is completely powered on, the cloud control console sends out a power on command, the internal system detects the charging condition of the battery, the power on command is completed,
SOC＝100％。
as a preferable embodiment of the method for controlling a cargo box structure of a dump truck according to the present application, the method comprises: the vehicle collecting and power changing comprises the steps that when a power changing instruction is received, an oil cylinder stretches to lift a baffle plate on a container, the baffle plate is kept in a vertical state under the condition that the hydraulic circuit keeps pressure, if the oil cylinder lifts normally, and an internal system detects that the oil cylinder does not have errors, a lifting success signal is sent to prompt a worker to perform power changing operation, if power changing is completed, a field worker sends a completion instruction, the vehicle completes manual power changing, if the oil cylinder lifts failed, and when the internal system detects that confirmation fails secondarily, a lifting secondary alarm is sent, a power changing mode is modified, the container lifts the container integrally, power changing is performed after lifting is completed, a cloud power changing completion instruction is triggered after power changing is completed, if the container falls back to have no faults, the power changing is completed, if the container falls back to trigger a warning lamp, the field worker is reminded of maintenance, and after the maintenance is completed, the power changing is completed.
As a preferable embodiment of the method for controlling a cargo box structure of a dump truck according to the present application, the method comprises: the manual power conversion completion comprises the steps that when a vehicle receives a power conversion completion instruction, the vehicle completes a falling action, the baffle falls back depending on the weight of the baffle, the oil cylinder is in an pressureless state after falling back, the oil cylinder is kept horizontal depending on a mechanical limiting device, if the oil cylinder falls back normally, the oil cylinder is secondarily detected through an internal system, workers are prompted to fall back successfully, if the oil cylinder fails to fall back, the internal system secondarily detects and confirms failure, a primary alarm signal is sent, and on-site personnel are prompted to fall back failure to conduct manual falling back.
As a preferable embodiment of the method for controlling a cargo box structure of a dump truck according to the present application, the method comprises: the lifting requirement comprises that a space for taking out the width of the battery is reserved after lifting, so that the battery can be taken out conveniently,
L×cosa<b
wherein L is the length of the container baffle, a is the lifting and overturning angle of the container baffle, and b is the gap between the battery and the container.
As a preferable embodiment of the method for controlling a cargo box structure of a dump truck according to the present application, the method comprises: the hydraulic system comprises a hydraulic lifting cylinder and a hydraulic loop control valve, wherein the hydraulic cylinder is arranged between an upper baffle plate and a front vertical plate of a cargo box, and the upper baffle plate is connected with the front baffle plate by adopting a hinge, so that the hydraulic system has the degree of freedom of rotation.
As a preferable embodiment of the method for controlling a cargo box structure of a dump truck according to the present application, the method comprises: the hydraulic system comprises a mathematical model constructed according to the stress balance, calculating the system pressure,
P×S W ＝P×S y +G
wherein P is the system pressure, S W The hydraulic cylinder is provided with a rod cavity area, sy is provided with a rod cavity area, and G is a load;
through the corresponding motor of the hydraulic system flow selection type,
wherein v is the system flow, q is the total flow of the hydraulic cylinder, eta v The hydraulic cylinder has high capacity and efficiency, and d is the diameter of the piston.
Another object of the present application is to provide a control system for a cargo box structure of a dump truck that reduces the need for manual intervention and reduces labor costs. The conventional dump truck needs to manually control the tilting of the container and unload cargoes, and the system can automatically control the tilting of the container and unload cargoes, so that the need of manual intervention is reduced, and the labor cost is reduced.
A system for a method of controlling the structure of a dump truck cargo box, characterized by: the system comprises a sensor module, a controller module, a hydraulic system module and a user interface module;
the sensor module monitors the state of the vehicle in real time by using various sensors;
the controller module uses a microprocessor or other embedded equipment to read the data collected by the sensor module and execute corresponding instructions;
the hydraulic system module is mainly used for unloading cargoes, and the hydraulic pump is used for conveying compressed oil onto the unloading piston, so that the cargo box is smoothly unloaded;
the user interface module is an operation interface for providing user friendliness.
A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of a method for controlling the bed structure of a dump truck.
A computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor performs the steps of a method for controlling a bed structure of a dump truck.
The application has the beneficial effects that: the method can collect the vehicle state information by using various sensors and connect the vehicle state information with the embedded controller, thereby realizing automatic control of the container. When the container reaches a certain inclination angle, the controller can incline the container and unload cargoes through the hydraulic system, so that the efficiency and the safety of the dump truck are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic diagram of a control method and system for a cargo box structure of a dump truck according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a hydraulic system for lifting a cover for a container structure control method of a dump truck according to an embodiment of the present application;
fig. 3 is a schematic flow chart of a control system for a container structure of a dump truck according to an embodiment of the application.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present application can be understood in detail, a more particular description of the application, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
While the embodiments of the present application have been illustrated and described in detail in the drawings, the cross-sectional view of the device structure is not to scale in the general sense for ease of illustration, and the drawings are merely exemplary and should not be construed as limiting the scope of the application. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Also in the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper, lower, inner and outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected, and coupled" should be construed broadly in this disclosure unless otherwise specifically indicated and defined, such as: can be fixed connection, detachable connection or integral connection; it may also be a mechanical connection, an electrical connection, or a direct connection, or may be indirectly connected through an intermediate medium, or may be a communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1, 2 and 3, a first embodiment of the present application provides a method for controlling a cargo box structure of a dump truck, including:
s1: judging whether to send out a power change instruction according to the electric quantity and the manual demand;
further, the power change instruction comprises that when the electric quantity of the vehicle is less than 30 percent and the on-site operator requires power change, the cloud control console sends the power change instruction or the on-site operator receives the vehicle to change the power, the vehicle receives the power change instruction to change the power,
0≤SOC≤30％
when the vehicle is completely powered on, the cloud control console sends out a power on command, the internal system detects the charging condition of the battery, the power on command is completed,
SOC＝100％。
s2: starting lifting operation of the hydraulic system according to the power change instruction;
furthermore, it should be noted that, when the power-changing instruction is received, the oil cylinder stretches to lift the baffle plate on the container, under the condition that the hydraulic circuit keeps pressure, the baffle plate keeps vertical state, if the oil cylinder lifts normally and detects no error through the internal system, a lifting success signal is sent to prompt a worker to perform power-changing operation, if the power-changing is completed, on-site personnel send a completion instruction, the vehicle completes manual power-changing, if the oil cylinder lifts failed, and when the secondary detection through the internal system confirms failure, a lifting secondary alarm is sent, a power-changing mode is modified, the container adopts manual lifting to lift the whole container, the power-changing is performed after the lifting is completed, a cloud power-changing completion instruction is triggered after the power-changing is completed, if the container falls back to have no faults, a warning lamp is triggered when the container falls back, the on-site personnel is reminded of maintenance, and the power-changing is completed after the maintenance is completed.
It should also be noted that, the manual power change completion includes, when the vehicle receives a power change completion instruction, the vehicle completes the falling action, the baffle plate falls back depending on the weight of the baffle plate, the oil cylinder is in a non-pressure state after falling back, the oil cylinder is kept horizontal by means of a mechanical limiting device, if the oil cylinder falls back normally, the oil cylinder is secondarily detected through an internal system, the operator is prompted to fall back successfully, if the oil cylinder falls back failed, the internal system secondarily detected and confirmed to fail, a first-level alarm signal is sent, the on-site personnel is prompted to fall back failed, and the manual falling back is performed.
S3: judging a lifting mode according to whether the hydraulic system is lifted successfully or not;
further, the lifting operation comprises leaving a space for taking out the width of the battery after lifting, facilitating the battery taking out,
L×cosa<b
wherein L is the length of the container baffle, a is the lifting and overturning angle of the container baffle, and b is the gap between the battery and the container.
It should be noted that the hydraulic system includes a hydraulic lifting cylinder and a hydraulic circuit control valve, where the hydraulic cylinder is installed between the upper baffle and the front vertical plate of the cargo box, and the upper baffle and the front baffle are connected by a hinge, so that the degree of freedom of rotation is provided, as shown in fig. 2.
Further, the hydraulic system comprises a mathematical model constructed according to the stress balance, calculating the system pressure,
P×S W ＝P×S y +G
wherein P is the system pressure, S W The hydraulic cylinder is provided with a rod cavity area, sy is provided with a rod cavity area, and G is a load;
through the corresponding motor of the hydraulic system flow selection type,
wherein v is the system flow, q is the total flow of the hydraulic cylinder, eta v The hydraulic cylinder has high capacity and efficiency, and d is the diameter of the piston.
Example 2
For one embodiment of the application, a control method and a control system for a container structure of a dump truck are provided, and in order to verify the beneficial effects of the application, scientific demonstration is carried out through experiments.
Table 1 shows simulation experiments for My
In the conventional power change mode, the overall lifting time of a container is 40s, the lifting time of a baffle plate on the container of the container structure control device is 5s through repeated actual measurement, 35s is shortened in time, the lifting speed is increased by 800%, the speed is far faster than that of a conventional container, the power change speed is greatly increased, and the continuous operation efficiency of a vehicle is greatly improved.
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered by the scope of the claims of the present application.
Example 3
A third embodiment of the present application, which is different from the first two embodiments, is:
the functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Logic and/or steps represented in the flowcharts or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Example 4
Referring to fig. 3, a fourth embodiment of the present application provides a dump truck cargo box structure control system comprising: the system comprises a sensor module, a controller module, a hydraulic system module and a user interface module;
a sensor module: the module uses various sensors to monitor the state of the vehicle in real time, such as tilt angle, cargo weight, etc. These sensors may be inertial navigation sensors, pressure sensors, accelerometers, etc.;
and a controller module: the module uses a microprocessor or other embedded device to interpret the data collected by the sensor module and execute the corresponding instructions. For example, when the cargo box reaches a certain inclination angle, the controller can incline the cargo box and unload the cargo by the hydraulic system;
the hydraulic system module comprises: the module is mainly used for unloading cargoes, and the hydraulic pump is used for conveying compressed oil to the unloading piston, so that the smooth unloading process of the cargo box is realized.
A user interface module: the function of the module is to provide a user friendly interface, such as a display screen and several buttons, that allows the user to easily control the cargo box of the dump truck.

Claims (10)

1. A control method for a container structure of a dump truck is characterized by comprising the following steps of: comprising the steps of (a) a step of,
judging whether to send out a power change instruction according to the electric quantity and the manual demand;
starting lifting operation of the hydraulic system according to the power change instruction;
judging the lifting mode according to whether the hydraulic system is lifted successfully or not.
2. The method for controlling a cargo box structure of a dump truck according to claim 1, wherein: the power change instruction comprises that when the electric quantity of the vehicle is less than 30 percent and the on-site operator requires power change, the cloud control console sends the power change instruction or the on-site operator receives the vehicle to change the power, the vehicle receives the power change instruction to change the power,
0≤SOC≤30％
when the vehicle is completely powered on, the cloud control console sends out a power on command, the internal system detects the charging condition of the battery, the power on command is completed,
SOC＝100％。
3. the method for controlling the cargo box structure of a dump truck as set forth in claim 2, wherein: the vehicle collecting and power changing comprises the steps that when a power changing instruction is received, an oil cylinder stretches to lift a baffle plate on a container, the baffle plate is kept in a vertical state under the condition that the hydraulic circuit keeps pressure, if the oil cylinder lifts normally, and an internal system detects that the oil cylinder does not have errors, a lifting success signal is sent to prompt a worker to perform power changing operation, if power changing is completed, a field worker sends a completion instruction, the vehicle completes manual power changing, if the oil cylinder lifts failed, and when the internal system detects that confirmation fails secondarily, a lifting secondary alarm is sent, a power changing mode is modified, the container lifts the container integrally, power changing is performed after lifting is completed, a cloud power changing completion instruction is triggered after power changing is completed, if the container falls back to have no faults, the power changing is completed, if the container falls back to trigger a warning lamp, the field worker is reminded of maintenance, and after the maintenance is completed, the power changing is completed.
4. The method for controlling a cargo box structure of a dump truck as set forth in claim 3, wherein: the manual power conversion completion comprises the steps that when a vehicle receives a power conversion completion instruction, the vehicle completes a falling action, the baffle falls back depending on the weight of the baffle, the oil cylinder is in an pressureless state after falling back, the oil cylinder is kept horizontal depending on a mechanical limiting device, if the oil cylinder falls back normally, the oil cylinder is secondarily detected through an internal system, workers are prompted to fall back successfully, if the oil cylinder fails to fall back, the internal system secondarily detects and confirms failure, a primary alarm signal is sent, and on-site personnel are prompted to fall back failure to conduct manual falling back.
5. The method of controlling a cargo box structure of a dump truck of claim 4, wherein: the lifting requirement comprises that a space for taking out the width of the battery is reserved after lifting, so that the battery can be taken out conveniently,
L×cosa<b
wherein L is the length of the container baffle, a is the lifting and overturning angle of the container baffle, and b is the gap between the battery and the container.
6. The method of controlling a cargo box structure of a dump truck of claim 5, wherein: the hydraulic system comprises a hydraulic lifting cylinder and a hydraulic loop control valve, wherein the hydraulic cylinder is arranged between an upper baffle plate and a front vertical plate of a cargo box, and the upper baffle plate is connected with the front baffle plate by adopting a hinge, so that the hydraulic system has the degree of freedom of rotation.
7. The method of controlling a cargo box structure of a dump truck of claim 6, wherein: the hydraulic system comprises a mathematical model constructed according to the stress balance, calculating the system pressure,
P×S W ＝P×S y +G
wherein P is the system pressure, S W The hydraulic cylinder is provided with a rod cavity area, sy is provided with a rod cavity area, and G is a load;
through the corresponding motor of the hydraulic system flow selection type,
wherein v is the system flow, q is the total flow of the hydraulic cylinder, eta v The hydraulic cylinder has high capacity and efficiency, and d is the diameter of the piston.
8. A system employing a method of controlling a cargo box structure of a dump truck as defined in any one of claims 1 to 7, characterized by: the system comprises a sensor module, a controller module, a hydraulic system module and a user interface module;
the sensor module monitors the state of the vehicle in real time by using various sensors;
the controller module uses a microprocessor or other embedded equipment to read the data collected by the sensor module and execute corresponding instructions;
the hydraulic system module is mainly used for unloading cargoes, and the hydraulic pump is used for conveying compressed oil onto the unloading piston, so that the cargo box is smoothly unloaded;
the user interface module is an operation interface for providing user friendliness.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1 to 7 when the computer program is executed.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 7.
CN202310607522.7A 2023-05-26 2023-05-26 Control method and system for container structure of dump truck Pending CN116691477A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310607522.7A CN116691477A (en) 2023-05-26 2023-05-26 Control method and system for container structure of dump truck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310607522.7A CN116691477A (en) 2023-05-26 2023-05-26 Control method and system for container structure of dump truck

Publications (1)

Publication Number Publication Date
CN116691477A true CN116691477A (en) 2023-09-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310607522.7A Pending CN116691477A (en) 2023-05-26 2023-05-26 Control method and system for container structure of dump truck

Country Status (1)

Country Link
CN (1) CN116691477A (en)

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